Look @ snip below & make complete Sales Tax page: Add prices in list together. Compute State & County Sales Tax SEPARATELY! Find out how to compute .. Sales tax split in 2 portions Show how much is state &how much is county tax. Show how much the customer has to pay in total (combined) sales tax. tip: The Sales Tax is in Dollars and Pennies, so it needs to be rounded (the multiplication with the tax rate will not yield a rounded value) tip: Make sure that rounded values for state & county tax add up to combined tax… Accounting will have huge problem if it's left with a penny short (or over). —— SNIP ——— Sales Tax Service ————————————— SNIP! ———————————————-